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Since I tried Ludwig back in 2017, I have been constantly using it in both editing and translation. Ever since, I suggest it to my translators at ProSciEditing.

Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com
it is opt in
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "it is opt in" is correct and usable in written English.
You can use it when discussing a system or process that requires user consent or participation before being included or activated. Example: "In our new marketing strategy, it is opt in, meaning customers must choose to receive promotional emails."
✓ Grammatically correct
Science
News & Media
Formal & Business
Alternative expressions(2)
Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Human-verified similar examples from authoritative sources
Similar Expressions
60 human-written examples
And while it is opt-in, my suspicion (and I'm hardly alone here) is that many people turn it on then basically never do anything with it.
News & Media
Rather, Amazon emphasizes that it is opt-in, and a way to communicate with only the very closest members of your family.
News & Media
However, end users do have to grant permission to Gigya to access their profiles, so it is opt-in, and, really, Gigya is doing with this what Facebook wishes it could do but can't for a number of good reasons.
News & Media
The guidance provided to National Health Service Research Ethics Committees emphasises the importance of achieving informed consent to take part in research, rather than focusing on whether it is written or verbal, or whether it is opt-in or opt-out http://www.nres.npsa.nhs.uk/applications/guidance/consent-guidance-and-forms/.
(Again, it's opt-in).
News & Media
"It's opt-in, and it's understood from the beginning what's going on here," Mr. Constable said.
News & Media
But it's opt-in; neither there nor on Twitter does anyone have to look at him.
News & Media
At all times it was opt-in".
News & Media
Will it be opt-in or opt-out?
News & Media
It's opt-in, we don't have to save the results.
News & Media
But hey, no doubt some people will like this, and most importantly, it's opt-in.
News & Media
Expert writing Tips
Best practice
When describing a feature or service, clearly state that "it is opt in" to reassure users about their control over data and privacy. This helps build trust.
Common error
Avoid assuming users understand what happens if they don't actively choose to opt in. Explicitly explain the consequences of not opting in to prevent confusion and ensure informed decisions.
Source & Trust
78%
Authority and reliability
4.1/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "it is opt in" functions as a descriptor, indicating that a particular feature, service, or process requires explicit user consent or action to be activated or included. Ludwig AI confirms its common usage in various contexts.
Frequent in
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Formal & Business
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Less common in
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Ludwig's WRAP-UP
The phrase "it is opt in" signifies that user consent is a prerequisite for participation in a service or feature. As Ludwig AI confirms, it's a grammatically correct phrase used to assure users of their control and choice. Though no exact examples were found in the provided data, it's understood that the phrase serves to build trust by emphasizing transparency. By highlighting that a system "it is opt in", organizations communicate respect for user privacy and autonomy. When explaining how a service functions, making it clear that participation requires a conscious choice can greatly improve user experience.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
it is voluntary
Emphasizes that participation is not mandatory.
it is permission-based
Indicates that access or use is contingent on approval.
it requires explicit consent
Focuses on the need for clear and direct agreement.
it is customer-controlled
Emphasizes the customer's authority over the feature or process.
it needs to be enabled by the user
Stresses the requirement for the user to activate the feature.
it is a choice the user makes
Highlights the decision-making aspect for the user.
it is user-initiated
Highlights that the action starts with the user.
it relies on active participation
Underscores the need for users to be actively involved.
it is based on affirmative action
Specifies the need for an affirmative step to be taken.
it is subscriber-based
Suggests involvement hinges on a subscription or membership.
FAQs
What does "it is opt in" mean?
When something "it is opt in", it means that users must actively choose to participate or enable a feature; it is not automatically activated.
How can I use "it is opt in" in a sentence?
You can say, "The data collection process "is voluntary", "it is opt in", allowing users to control their privacy."
What's the opposite of "it is opt in"?
The opposite is "it is opt out", where users are automatically included but have the option to decline or disable the feature.
Are there legal implications for services that "it is opt in"?
Yes, many privacy regulations require services to be "permission-based", ensuring users provide explicit consent before data collection or participation.
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Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Source & Trust
78%
Authority and reliability
4.1/5
Expert rating
Real-world application tested